fix: pin ansible-lint to v26.3.0 instead of main HEAD

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: philipbalinov

.github/workflows/ansible-lint.yaml

@@ -14,7 +14,7 @@ jobs:
           ln -sf ../.. roles/ansible-mondoo
 
       - name: Run ansible-lint
-        uses: ansible/ansible-lint@f1b79918291273b23a8c3bf40e75a53a13d062b2 # main
+        uses: ansible/ansible-lint@8ba9595a4acd1b906eb75568b34f6ef592cd1528 # v26.3.0
 
   license-check:
     runs-on: ubuntu-latest